Flag: Specific to script mode compilation
Feature: Objective-C selectors in Swift (#selector)
Feature → closures: 'self' captures
Feature → types: The 'Self' type in classes
Feature → types: The 'Self' type in protocols
Feature → types: The 'Self' type in structures and enumerations
Feature → expressions: The 'self' expression
Area → standard library: The Sendable protocol
Area → standard library: The `Sequence` protocol
Area → compiler: Serialization & deserialization
Area → compiler → SIL: SIL ownership
Feature → attributes: The @_silgen_name attribute
Area → compiler: The SIL generation stage
Area → compiler: SIL optimization passes
Area → compiler: The SIL parser
Flag: An issue that surfaced in the source compatibility suite
Area: IDE support, SourceKit, and other source tooling
Area → source tooling: SourceKit
Feature → compiler control statements: Line control statements
Feature → attributes: the @_spi attribute
Issues related to Serverside Swift Work Group projects
Resolution: No longer relevant, stale